<template>
  <div class="tree">
    <el-table :data="tableDat3"

              @selection-change="handleSelectionChange">
      <el-table-column>

      </el-table-column>
    </el-table>
    <!--<el-tree :data="data2" show-checkbox node-key="id" default-expand-all-->
             <!--@check-change="handleClick" ref="treeForm" @node-click="nodeClick">-->
    <!--</el-tree>-->
  </div>
</template>

<script>
  export default {
    data () {
      return {
        data2: [{
          id: 1,
          label: '一级 1',
          children: [{
            id: 4,
            label: '二级 1-1',
            children: [{
              id: 9,
              label: '三级 1-1-1'
            }, {
              id: 10,
              label: '三级 1-1-2'
            }]
          }]
        }, {
          id: 2,
          label: '一级 2',
          children: [{
            id: 5,
            label: '二级 2-1',
          }, {
            id: 6,
            label: '二级 2-2'
          }]
        }, {
          id: 3,
          label: '一级 3',
          children: [{
            id: 7,
            label: '二级 3-1'
          }, {
            id: 8,
            label: '二级 3-2'
          }]
        }],
        checkedId:null
      }
    },
    methods: {
      handleClick(data, checked, node){
        if(checked == true){
          this.checkedId = data.id;
          this.$refs.treeForm.setCheckedNodes([data]);
        }
      },
      nodeClick(data,checked,node){
        this.checkedId = data.id
        this.$refs.treeForm.setCheckedNodes([data]);
      }
    }
  }
</script>

